Revert Debugging code.

Author: hvanhovell

sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveExplainSuite.scala

@@ -41,7 +41,6 @@ class HiveExplainSuite extends QueryTest with SQLTestUtils with TestHiveSingleto
   }
 
   test("explain create table command") {
-    sql("show tables").show()
     checkExistence(sql("explain create table temp__b as select * from src limit 2"), true,
                    "== Physical Plan ==",
                    "InsertIntoHiveTable",

sql/hive/src/test/scala/org/apache/spark/sql/hive/parquetSuites.scala

@@ -452,7 +452,6 @@ class ParquetMetastoreSuite extends ParquetPartitioningTest {
       """.stripMargin)
 
     var tableIdentifier = catalog.QualifiedTableName("default", "test_insert_parquet")
-    assert(catalog.client.currentDatabase === "default", "Current database should be 'default'.")
 
     // First, make sure the converted test_parquet is not cached.
     assert(catalog.cachedDataSourceTables.getIfPresent(tableIdentifier) === null)

sql/hive/src/test/scala/org/apache/spark/sql/sources/BucketedWriteSuite.scala

@@ -83,19 +83,7 @@ class BucketedWriteSuite extends QueryTest with SQLTestUtils with TestHiveSingle
       numBuckets: Int,
       bucketCols: Seq[String],
       sortCols: Seq[String] = Nil): Unit = {
-    val files = dataDir.listFiles()
-    if (files == null) {
-      dataDir.isDirectory
-      throw new NullPointerException(s"""
-           |dataDir.listFiles() is NULL
-           |== Directory(isDirectory=${dataDir.isDirectory} exists=${dataDir.exists}) ==
-           |$dataDir
-           |== Hive Warehouse(isDirectory=${hiveContext.warehousePath.isDirectory}) ==
-           |${hiveContext.warehousePath}
-           |== bucketed_table TableIdentifier ==
-           |${sqlContext.sqlParser.parseTableIdentifier("bucketed_table")}""".stripMargin)
-    }
-    val allBucketFiles = files.filterNot(f =>
+    val allBucketFiles = dataDir.listFiles().filterNot(f =>
       f.getName.startsWith(".") || f.getName.startsWith("_")
     )